肝脏由胚胎内胚层演变而来，胚胎期肝具有重要的造血功能。
Liver origins from endoderm and is an important hematopoietic organ in embryo.
扬子鳄肝脏由早期胚胎前肠门边缘内陷的内胚层上皮和脏壁中胚层组织共同发育形成。
The liver of Alligator sinensis was formed by the endodermal epithelia invigilated from the edge of foregut door and by surrounding mesoderm during early stages of pre-natal development.
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